What’s Vulnerable › Vulnerabilities
CVE-2024-21789: BIG-IP ASM and Advanced WAF vulnerability
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-02-14 · updated 2026-06-17
- Weakness: CWE-772
Description
When a BIG-IP ASM/Advanced WAF security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Affected products
- F5 Big-Ip Advanced Web Application Firewall: from 17.1.0 before 17.1.1 — fixed in 17.1.1
- BIG-IP ASM: from 17.1.0 before 17.1.1 — fixed in 17.1.1
How to fix
Upgrade to a fixed version: F5 Big-Ip Advanced Web Application Firewall 17.1.1; BIG-IP ASM 17.1.1. Check the vendor advisory for mitigations.
References
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